• ANSI C37.55 : 1989

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    MEDIUM VOLTAGE METAL-CLAD ASSEMBLIES - CONFORMANCE TEST PROCEDURES

    Available format(s):  Hardcopy, PDF

    Superseded date:  05-05-2020

    Language(s):  English

    Published date:  01-01-1989

    Publisher:  National Electrical Manufacturers Association

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Overview
       1.1 Scope
       1.2 Control and instrumentation components - protection
           requirements
       1.3 Installations not covered
       1.4 Purpose
    2 Referenced and related standards
       2.1 Referenced standards
       2.2 Related standards
    3 Definitions
       3.1 Design tests (type tests)
       3.2 Production tests (routine tests)
       3.3 Conformance tests
    4 General test conditions
       4.1 Ambient conditions
       4.2 Protection requirements
           4.2.1 General
           4.2.2 Control power transformers
           4.2.3 Voltage transformers
    5 Conformance test requirements
       5.1 General
       5.2 Test requirements
       5.3 Test arrangements
       5.4 Commonalities of design and tests
           5.5 Dielectric tests
           5.5.1 General
           5.5.2 Power-frequency withstand voltage tests
           5.5.3 Lighting impulse withstand tests
       5.6 Mechanical performance tests
           5.6.1 Removable circuit beaker
           5.6.2 Drawout control power transformer or drawout
                 fuses
           5.6.3 Drawout voltage transformer
           5.6.4 Performance
       5.7 Continuous current test
           5.7.1 Temperature
           5.7.2 Temperature measuring devices
           5.7.3 Measurement of ambient air temperature
           5.7.4 Conductors for use in continuous current tests
           5.7.5 Performance
       5.8 Short-time withstand current test
           5.8.1 Description of tests
           5.8.2 Test-circuit conditions
           5.8.3 Performance
       5.9 Momentary withstand current test
           5.9.1 Description of tests
           5.9.2 Test duration
           5.9.3 Test-circuit conditions
          5.9.4 Performance
    6 MC switchgear components
       6.1 Accessory devices
           6.1.1 General accessory devices
           6.1.2 Housing-mounted accessory devices
           6.1.3 Mechanical accessory devices
       6.2 Extension of conformance test results to other
           arrangements
           6.2.1 Dielectric criteria
           6.2.2 Continuous current criteria
           6.2.3 Short-circuit-current-carrying criteria
           6.2.4 Momentary current withstand criteria
       6.3 Isolating switches
       6.4 Drawout interrupter switches
    7 Enclosure conformance tests
       7.1 Category A test requirements
           7.1.1 Test terms
           7.1.2 Test equipment
           7.1.3 Tests
           7.1.4 Test values
       7.2 Category B test requirements
       7.3 Category C test requirements
    8 Treatment of failures
    9 Production tests
       9.1 Power-frequency withstand voltage tests
       9.2 Mechanical operation tests
       9.3 Grounding of instrument transformer cases test
       9.4 Electrical operation and wining tests
           9.4.1 Control wiring continuity
           9.4.2 Control wiring insulation test
           9.4.3 Polarity verification
           9.4.4 Sequence tests
    10 Retesting
    Tables
    Figures
    Appendix A

    Abstract - (Show below) - (Hide below)

    Defines selected tests to demonstrate conformance with ANSI/IEEE C37.20.2.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Electrical Manufacturers Association
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    IEEE C37.121-2012 GUIDE FOR SWITCHGEAR - UNIT SUBSTATION - REQUIREMENTS
    CSA C22.2 No. 253 : 2016 MEDIUM-VOLTAGE AC CONTACTORS, CONTROLLERS, AND CONTROL CENTRES
    IEEE C37.20.2-2015 IEEE Standard for Metal-Clad Switchgear
    ANSI C37.57 : 1990 SWITCHGEAR - METAL-ENCLOSED INTERRUPTER SWITCHGEAR ASSEMBLIES - CONFORMANCE TESTING
    ANSI C37.58 : 1990 INDOOR AC MEDIUM-VOLTAGE SWITCHES FOR USE IN METAL-ENCLOSED SWITCHGEAR - CONFORMANCE TEST PROCEDURES
    ANSI C37.54 : 1996 FOR INDOOR ALTERNATING CURRENT HIGH-VOLTAGE CIRCUIT BREAKERS APPLIED AS REMOVABLE ELEMENTS IN METAL-ENCLOSED SWITCHGEAR ASSEMBLIES - CONFORMANCE TEST PROCEDURES
    NEMA SG 5-1995 POWER SWITCHGEAR ASSEMBLIES
    UL 1008A:2ED 2017-09 Transfer Switch Equipment, Over 1000 Volts
    CSA C22.2 NO. 178.3:17 Transfer switch equipment, over 1000 volts (Binational standard with UL 1008A)
    IEEE C37.121-2012 REDLINE IEEE Guide for Switchgear - Unit Substation - Requirements

    Standards Referencing This Book - (Show below) - (Hide below)

    ANSI C37.57 : 1990 SWITCHGEAR - METAL-ENCLOSED INTERRUPTER SWITCHGEAR ASSEMBLIES - CONFORMANCE TESTING
    IEEE C37.26-2014 REDLINE IEEE Guide for Methods of Power-Factor Measurement for Low-Voltage (1000 V AC or lower) Inductive Test Circuits
    NEMA SG 6:2000 POWER SWITCHING EQUIPMENT
    IEEE C37.20.2-2015 IEEE Standard for Metal-Clad Switchgear
    ANSI C37.58 : 1990 INDOOR AC MEDIUM-VOLTAGE SWITCHES FOR USE IN METAL-ENCLOSED SWITCHGEAR - CONFORMANCE TEST PROCEDURES
    IEEE 4-2013 IEEE Standard for High-Voltage Testing Techniques
    ASTM D 2303 : 2013 Standard Test Methods for Liquid-Contaminant, Inclined-Plane Tracking and Erosion of Insulating Materials
    IEEE C37.20.4-2013 REDLINE IEEE Standard for Indoor AC Switches (1 kV to 38 kV) for Use in Metal-Enclosed Switchgear
    ANSI C37.54 : 1996 FOR INDOOR ALTERNATING CURRENT HIGH-VOLTAGE CIRCUIT BREAKERS APPLIED AS REMOVABLE ELEMENTS IN METAL-ENCLOSED SWITCHGEAR ASSEMBLIES - CONFORMANCE TEST PROCEDURES
    ASTM D 790 : 2017 : REDLINE Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
    IEEE C37.06-2009 AC HIGH-VOLTAGE CIRCUIT BREAKERS RATED ON A SYMMETRICAL CURRENT BASIS - PREFERRED RATINGS AND RELATED REQUIRED CAPABILITIES
    IEEE C37.09-1999 IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis
    NEMA LI 6:1993(R2005) Relative Temperature Indices of Industrial Thermosetting Laminates
    ASTM D 648 : 2016 Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
    ASTM D 257 : 2014 : REDLINE Standard Test Methods for DC Resistance or Conductance of Insulating Materials
    NEMA LI 1 : 1998(R2011) INDUSTRIAL LAMINATED THERMOSETTING PRODUCTS
    IEEE C37.04-1999 IEEE Standard Rating Structure for AC High-Voltage Circuit Breakers
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective